Currently, the matching process allows aggressors to incrementally trade a Covered option without being allocated any futures to satisfy the delta neutrality. Starting Sunday, March 25, 2012, the Covered matching algorithm will track executions of a resting order such that when the executed quantity of a customer's option order results in an accumulated delta futures allocation at or above 0.5, a futures contract is allocated to the next fill.

The enhancement is scheduled for a phased launch as follows:

Sunday, March 25

CME FX Options

Sunday, April 1

CME Equity Options

CBOT Equity Index Options

CBOT Commodity Options

CME Commodity, Industrial Commodity and TRAKRS Options

KCBT Options

MGEX Options

Sunday, April 15

CME Interest Rate Options

CBOT Interest Rate Options

COMEX Options

Green Exchange Options

NYMEX Crude Options

NYMEX Non-Crude Energy Options

We recommend all system providers supporting Covereds test this enhancement thoroughly in New Release. Details on UDS:Covereds functionality are available online.

iLink Enhancement for Order Handling Flag
Effective second quarter 2012, in response to Clearing Firm requests and in conjunction with a Futures Industry Association (FIA) initiative, iLink order routing will launch support for FIX tag 1031-CustOrderHandlingInst. This tag will allow trading and clearing firms to identify the source of any order.

The value submitted on a new order in tag 1031-CustOrderHandlingInst will be passed through to the CME Clearing House at trade, and populated on all FIXML trade confirmation and allocation messages. It will also be supported by the CME Clearing House Give-up Payment System (GPS).

When tag 1031-CustOrderHandlingInst is submitted on the New Order (tag 35-MsgType=D), it will be returned on all associated Execution Reports (tag 35=8).

Further information on New Release testing and launch dates will be published as it is available. Please contact the CME Clearing House at 312.207.2525 with any questions.

iLink Enhancements for MexDer via CME Globex
Effective Sunday, April 15 (trade date Monday, April 16), a number of iLink enhancements will be launched for the Mercado Mexicano de Derivados (MexDer) North- to- South order routing solution.

These enhancements include:

Implementation of new Cancel/Replace Request rules

Acknowledgements for Account, Price or Quantity changes

Mandatory In Flight Mitigation (IFM) for all MexDer products

A mock trading session will be held Saturday, April 14. More information will be available in the CME Globex Notices. The client impact assessment is now available online. These changes will be available for customer testing in New Release on Monday, March 12.

The MGEX-CBOT Wheat Intercommodity Spread options are unique hedging tools based on the price differentials between hard red spring wheat futures listed on the Minneapolis Grain Exchange, Inc. (MGEX) and soft red winter wheat futures on the Chicago Board of Trade (CBOT), which are the result of fundamental supply and demand factors and varying protein levels between these two distinct classes of wheat.

MGEX-CBOT Wheat Intercommodity Spread Options

Option

tag 1151-SecurityGroup

tag 55-Symbol (Outrights)

tag 55-Symbol (UDS)

MGEX-CBOT Wheat Intercommodity Spread Options

MCW

CW

W5

In addition, a new synthetic future will be launched for the options on MGEX-CBOT Wheat Intercommodity Spread futures.

The new future will have tag 1151-SecurityGroup=MCX and tag 55-Symbol=08. Settlement prices will be published for the new synthetic future to support customers’ options pricing model.

The options (tag 1151=MCW) will identify MCX as the underlying contract in tag 309-UnderlyingSecurityID of the Security Definition (tag 35-MsgType=d) FIX/FAST message.

The MGEX-CBOT Wheat intercommodity spread options and synthetic future will be available for customer testing in New Release on Monday, March 12, 2012.

European Union Aviation Allowance Futures
Effective Sunday, April 1 (trade date Monday, April 2), the GreenX European Union Aviation Allowance (EUAA) futures will be listed on Green Exchange and available via CME Globex.

These contracts are listed with, and subject to, the rules and regulations of GreenX. All transactions will be available for clearing through CME Clearing.

European Union Aviation Allowance

Future

tag 1151-SecurityGroup

tag 55-Symbol

European Union Aviation Allowance Futures

FLY

VX

This product will be available for customer testing in New Release Monday, March 12.

Implied functionality for the GreenX intercommodty spreads is currently available in New Release for customer testing.

These contracts are listed with, and subject to, the rules and regulations of GreenX. All transactions will be available for clearing through CME Clearing.

FIX tag 55-Symbol Changes for Energy Futures and Futures Spreads
Effective Sunday, March 11, the FIX tag 55-Symbol values for the following Energy futures and futures spreads will be changed as follows:

FIX tag 55-Symbol Changes for Energy Futures and Futures Spreads

Futures

Tag 1151-SecurityGroup

Current tag 55-Symbol

New tag 55-Symbol

Crude Volatility Index

CVF

OP

CM

European Gasoil (ICE)

GLI

OP

CM

New York Harbor Ethanol

QEN

OP

CM

Gulf Coast Gasoline

LR

OP

CM

Gulf Coast Harbor ULSD

LU

OP

CM

Intercommodity Spreads

LR:LU

OP

CM

ASCI Financial

A0X

OP

CM

REBCO

RE

OP

CM

Market Data Platform channels and implied functionality will not be impacted.

These changes are currently available in New Release for customer testing.

To facilitate these changes, customers are asked to cancel all Good 'Till Cancel (GTC) and Good 'Till Date (GTD) orders for the impacted options after their close on Friday, March 16. After 16:00 CT on Friday, March 16 all remaining GTC and GTD orders for these products will be cancelled by the CME Group Global Command Center (GCC).

This change will be available for customer testing in New Release on Monday, March 5, 2012.

Butterfly Spreads on Energy Futures
Effective Sunday, March 25 (trade date Monday, March 26), butterfly spreads will be listed on CME Globex for the following futures:

Butterfly Spreads on Energy Futures

Futures

Tag 1151-SecurityGroup

New York Harbor (ULSD) Futures

LH

RBOB Gasoline Futures

RB

New York Harbor No. 2 Heating Oil Futures

HO

Butterfly spreads consists of three instruments within the same product and with equally distributed maturity months (e.g., M2-U2-Z2). Further details are available in the Electronic Trading Concepts. Butterfly spreads are identified with BF in tag 762-SecuritySubType in the Security Definition (tag 35-MsgType=d) message. These energy butterfly spreads will not support implied functionality.

These contacts are listed with, and subject to, the rules and regulations of NYMEX.

The energy butterfly spreads will be available for customer testing in New Release on Monday, March 12.

The match algorithm applied to each instrument is identified in the Security Definition (tag 35-MsgType=d) message in tag 1142-MatchAlgorithm. Descriptions of each algorithm currently in use on CME Globex are available online.

These products with the modified match algorithm will be available for customer testing in New Release on Monday, March 12.

Additional Listings for In Delivery Month European Union Allowance (EUA) Options
Effective Sunday, March 25, 2012 (trade date Monday, March 26), the following December maturities in GreenX In Delivery Month European Union Allowance (EUA) options (tag 1151-SecurityGroup=EAX) will be listed on Green Exchange and available via CME Globex.

DEC 2016

DEC 2017

DEC 2018

DEC 2019

DEC 2020

These contracts are listed with, and subject to, the rules and regulations of GreenX. All transactions will be available for clearing through CME Clearing.

These contracts will be available in customer testing in New Release on Monday, March 12.

Events & Announcements

iLink Session ID Auto-Deletion Process
Effective Monday, March 5, CME Group will once again execute our quarterly iLink session ID auto-delete process. As a reminder, all sessions must meet a minimum messaging threshold of 100 messages over the previous 6-months to exempt themselves from this process. Any iLink session ID with fewer than 100 messages will be flagged for deletion. For the purposes of this policy, a message is defined as an a new order (tag 35-MsgType=D), order cancel/replace request (tag 35=G), order cancel request (tag 35=F), and mass quote (tag 35=i).

An e-mail notification will be distributed to Class A clearing firms on Monday, March 5. Class A clearing firms will have 4 weeks to review their idle session IDs. All idle session IDs will be deleted at the end of day Friday, April 13. Details on the process are available online.

Reminder: London Data Center Relocation
CME Group has re-located the Pinnacle House point of presence (PoP) in London to a PoP located within the Interoute/Global Switch 2 data center. Customers are required to complete the relocation to the new PoP by the end of Q2 2012.

In addition, CME Group is now offering 1 GB copper connectivity options to customers connected to CME Globex Hubs located in London, Milan and Paris.

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Who We Are

CME Group is the world's leading and most diverse derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.